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Video: Puas yog leeches muaj proboscis?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Txhua leeches muaj 34 cev cev. Qhov no laim siv nws 15-cm (6-nti) proboscis raws li rab koob hypodermic kom nqus ntshav los ntawm nws tus tswv tsev. Qee hom ntawm cov leeches yog cov tsiaj txhu ntawm lwm tus tsiaj, qee leej noj cov khib nyiab organic, thiab lwm tus yog cov cab.
Hais txog qhov no, cov leeches puas muaj tus nplaig?
Leeches ib yam muaj pharynx tuaj yeem tawm, feem ntau hu ua proboscis, lossis pharynx uas tsis tuaj yeem tuaj yeem tuaj yeem tuaj yeem lossis tsis tuaj yeem siv riam phom nrog lub puab tsaig. Cov laim secretes anticoagulant, hirudin, hauv nws cov qaub ncaug uas tiv thaiv cov ntshav los ntawm kev txhaws ua ntej noj.
Ib yam nkaus, tus leech puas muaj 32 lub hlwb? 2. Leeches muaj 32 lub hlwb . A leech cov cov qauv sab hauv tau muab faib ua 32 cais ntu, thiab txhua ntu no muaj nws tus kheej lub hlwb . Ntxiv rau qhov ntawd, txhua tus leech muaj cuaj khub ntawm cov noob qes - tab sis qhov ntawd yog lwm txoj haujlwm rau lwm hnub.
Hauv qhov no, chav kawm yog dab tsi?
Clitellata
Yuav ua li cas leeches respire?
Lawv muaj lwm tus nqus ntawm lub hauv ntej qhov kawg siv txav "zoo li tus kab mob inchworm." Txhua leeches ua pa dhau ntawm lawv lub cev phab ntsa thiab muaj lub qhov muag pom ntawm lawv lub taub hau kom pom lub teeb. Leeches txhaj hirudin, tshuaj loog, kom cov tswv tsev tsis hnov lawv tawg ntawm daim tawv nqaij.
Pom zoo:
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Txawm hais tias tsis zoo rau tib neeg, feem ntau cov leeches yeej tsis muaj teeb meem rau cov pas dej ntev li ntev tau lawv cov neeg tau tswj hwm. Tsuas yog ob peb hom tau nqus ntshav, thiab cov ntses feem ntau, tshwj xeeb tshaj yog koi, nyiam noj lawv ua khoom txom ncauj